DREPANODON—DROMOCYON. 245 
Drepanodon—Continued. 
176). In 1869 Leidy says: ‘‘ Bronn, in the Lethea Geognostica, has divided 
the various described species of Drepanodon into three groups, as follows: 
Drepanodon, characterized by haying the canines entire or without serrulation, 
and the first lower premolar with a trilobate crown and double fang... 
Machairodus . . . Smilodon." 
Extinct. 
Drepanodon: Spexary, sickle; 66@v = ó60vsc, tooth—in allusion to the immense 
upper canines. (Compare Machairodus and Smilodon. ) 
Drill (subgenus of Mormon) RrtcnHenpacn, 1862. Primates, Cercopithecid:ze. 
Vollstándigste Naturgesch. Affen, 162, 1862. 
Type: Simia leucophaea F. Cuvier, from West Africa. 
Not a common name, but adopted as a subgeneric term and used in the same 
way as several other native names, 
Drill: French mandrill, Spanish mandril, said to be from native West African 
name. ‘‘If this form is original, the form dril/ in same sense is due to a false 
division of the word . . . If drill is original, the form mandrill is an English 
compound." (Century Dict.) 
Dromatherium* Emmons, 1857. Marsupialia, Dromatheriidze. 
Am. Geology, pt. vr, 93-95, fig. 66 in text, 1857. 
Type: Dromatherium silvestre Emmons, from the Chatham coal field (Triassic), 
North Carolina. ; 
Extinct. Based on the left half of a lower jaw. 
Dromatherium: Spoas, running; 05ptov, wild beast. 
Dromedarius WacaLEn, 1830. Ungulata, Artiodactyla, Camelid:e. 
Nat. Syst. Amphibien, 31, 1830. 
New name for Auchenia Illiger, 1811, which is preoccupied by <Auchenia 
Thunberg, 1789, a genus of Coleoptera. Antedated by Zama Frisch, 1775. 
Dromedarius: Lat., dromedary; <dpoucs, running (cf. 9pouazos Kaundos, 
dromedary, lit. running camel). 
Dromedarius GLoGcErR, 1841. Ungulata, Artiodactyla, Camelidee. 
Hand- u. Hilfsbuch Naturgesch., I, pp. xxxiii, 134, 1841; THomas, Ann. & Mag. 
Nat. Hist., 6th ser., XV, 191, 193, Feb. 1, 1895. 
Type: Camelus dromedarius Linneeus, from Africa. 
Name preoccupied by Dromedarius Wagler, 1830, which was proposed to replace 
Auchenia Iliger, 1811. (See Camelus Linnzeus, 1758.) 
Dromicia Gray, 1841. Marsupialia, Phalangerid:e. 
GRAY, in Grey's Journ. Two Expd. North-West and West Australia, App. II, 401, 
407, 1841; THomas, Cat. Marsup. & Monotrem. Brit. Mus., 140-147, 1888. 
Type: Phalangista nana Desmarest, from Tasmania (fide THomas). 
Dromicia: SpouiK 6s, good at running, swift. 
Dromiciops THomas, 1894. Marsupialia, Didelphyid:e. 
Ann. & Mag. Nat. Hist., 6th ser., XIV., No. 81, pp. 186-188, Sept. 1, 1894. 
Type: Dromiciops gliroides 'Thomas, from Huite, northeastern Chiloe Island, on 
the coast of Chile. 
Dromiciops: Dromicia; 6%, aspect—from its resemblance to Dromicia nana. 
Dromocyon Mazsu, 1876. Creodonta, Mesonychid:e. 
Am. Journ. Sci..& Arts, 3d ser., XII, 403, Nov., 1876. 
Type: Dromocyon vorax Marsh, from the Eocene of Wyoming. 
Extinct. Represented by ‘a nearly complete skeleton.’ 
Dromocyon: Spd0s, a course, running (tTpéy@, ESpauor, to run); «ócv, dog. 

*Compare Dremotheriwm Geoffroy, 1833, which is formed from almost the same 
Greek roots. 
